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Systémy pro spojování a značení proteinů

Protein linking and labelling systems provide a convenient means for attaching fluorescent labels or biotins to antibodies and larger proteins. These kits are ideal for use with multiple applications, including flow cytometry, fluorescent microscopy, immunohistochemistry, primary detection, ELISAs, immunocytochemistry, and FISH. These systems are available with a variety of dye colours, biotin, fluorescent agents, and all the components needed to perform multiple conjugations and purifications. Protein labelling follows a simple protocol of reaction, separation, and then use.

Gold 525 dUTP (lyophilised)

Supplier: ENZO LIFE SCIENCES

Gold 525 dUTP (lyophilised)

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Organelle-ID™ RGB reagent II

Supplier: ENZO LIFE SCIENCES

Mixture of fluorescent dyes for detection of lysosomes, endoplasmic reticulum and nucleic acids

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Thiol-reactive dyes and reagents

Thiol-reactive dyes and reagents

Supplier: Biotium

MTS, TS and maleimide, and other thiol-modifying reagents and reactive fluorescent dyes.

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Streptavidin conjugates

Streptavidin conjugates

Supplier: Biotium

A high quality biotin-binding protein conjugated to Biotium's signature bright and photostable fluorescent CF® dyes, and a selection of other labels.

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Bungarotoxins and fluorescent bungarotoxin conjugates

Bungarotoxins and fluorescent bungarotoxin conjugates

Supplier: Biotium

Bungarotoxins are venom toxins from the many-banded krait (Bungarus Multicinctus), which inhibit neurotransmission at the neuromuscular junction. Alpha-bungarotoxin is a potent inhibitor for the motor endplate acetylcholine receptor (Kd = 1 nM to 1 pM). Beta-bungarotoxin contains a small subunit that blocks voltage-gated K+ channels on the presynaptic membranes, and a large subunit that has phospholipase A2 activity. Fluorescent conjugates of alpha-bungarotoxin can be used to label acetylcholine receptors in skeletal muscle endplates.

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HRP-conjugate stabiliser, SeramunStab® Stplus

Supplier: Apollo Scientific

Liquid product colourless to slightly yellow or greenish, odourless, pH 7,3 to 7,5. Stabiliser for conjugates with monomeric HRP.

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Tyramide amplification kit with HRP goat, anti-mouse and CF® dye or biotin tyramide

Supplier: Biotium

Kits for increasing immunofluorescence sensitivity using HRP-catalysed tyramide signal amplification with the choice of next-generation fluorescent CF® dyes or biotin.

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Tyramide amplification kit with HRP streptavidin and CF® dye or biotin tyramide

Supplier: Biotium

Kits for increasing immunofluorescence sensitivity using HRP-catalysed tyramide signal amplification with the choice of next-generation fluorescent CF® dyes or biotin.

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CF® Dye BCN

CF® Dye BCN

Supplier: Biotium

CF® Dyes with a BCN group react with azides via a copper-free bioorthogonal reaction to label target molecules for surface staining of live cells or cell extracts. Membrane-permeant CF® Dye BCN conjugates for intracellular labelling reactions are also available.

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Biotin conjugation estimation, HOOK™ BiotinQuant

Supplier: G-Biosciences

HOOK™ BiotinQuant is designed for the estimation of biotin conjugation. It measures biotin using HABA [4’-hydroxyazobenzene-2-carboxylic acid] dye. HABA binds with avidin at the biotin-binding site.

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Carbohydrate coupling resin

Carbohydrate coupling resin

Supplier: G-Biosciences

Carbohydrate coupling resin is designed for the covalent immobilisation of carbohydrate containing molecules, including glycoproteins, to agarose beads. It is ideal for the coupling of polyclonal antibodies as it allows for the optimal orientation of the antibodies for affinity purification.

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CF™ dye picolyl azide

Supplier: Biotium

CF® dye picolyl azide reacts with alkyne to form 1,2,3-triazole by 1,3-dipolar Huisgen cycloaddition through the use of a much lower copper (I) concentration without sacrificing reaction efficiency. The selected CF® dyes are exceptionally bright and photostable, making them the perfect dye for fluorescence detection.

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CF®DI Aminooxy

Supplier: Biotium

CF®DI aminooxy dyes react with aldehyde/ketone groups on proteins or other biomolecules to form a stable oxime bond. The CF®DI dyes (CF®488DI, CF®555DI and CF®647DI) are designed to match each other for molecular weight and charge. The molecular weights of the same protein conjugated to different CF®DI dye colors are close to each other and the pl of the labeled proteins remains the same.

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ExoBrite™ EV Surface Stain Sampler Kit

Supplier: Biotium

The ExoBrite™ EV Surface Stain Sampler Kit, Green was developed to offer each of Biotium’s ExoBrite™ EV Surface Stains (CTB, WGA, and Annexin V) for assessing which stain offers the best coverage for the EV samples of interest.

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CF® Dye Azide

CF® Dye Azide

Supplier: Biotium

CF® Dyes with an azide group. Can be used to label or detect alkyne, BCN or cyclooctyne-containing molecules by fluorescence spectroscopy, microscopy or flow cytometry following copper-catalyzed azide-alkyne cycloaddition.

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Antibody labelling kits, Mix-n-Stain™

Supplier: Biotium

Mix-n-Stain™ antibody labelling kits utilise a technology that allows rapid antibody labelling without a purification step.

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Chemiluminescent labelling kit

Supplier: ENZO LIFE SCIENCES

A complete kit for the labeling of antibodies, proteins, peptides, and nucleic acids with Acridinium NHS Ester.

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Nuclear-ID™ Blue/Green cell viability reagent

Supplier: ENZO LIFE SCIENCES

Nucleus dye

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Nuclear-ID™ red/green cell viability reagent

Supplier: ENZO LIFE SCIENCES

Cell viability dye

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Single-round RNA amplification and biotin labeling system

Supplier: ENZO LIFE SCIENCES

The Single-Round RNA Amplification and Biotin Labeling System provides an optimized protocol and reagents for the production of biotin-labeled antisense RNA (aRNA) from total cellular RNA samples in less than 24 hours for array analysis.

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Red 580 dUTP

Supplier: ENZO LIFE SCIENCES

Red 580 [5-ROX] dUTP can replace TTP in reactions in which it serves as a substrate for E. coli DNA polymerase (holoenzyme and Klenow fragment), T4 and Taq DNA polymerases, reverse transcriptase (from AMV and M-MuLV) and terminal transferase. Fluorescently labelled probes can be prepared with this fluorescent nucleotide by a variety of methods including nick translation, random prime labelling, cDNA labelling and 3’-end labelling. Probes generated by these methods are suitable for use for the identification of specific sequences by in situ hybridization procedures on fixed cells and tissues by direct fluorescence detection. Red 580 dUTP can also be used for multicolor fluorescence labelling.

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Aqua 431 dUTP

Aqua 431 dUTP

Supplier: ENZO LIFE SCIENCES

Aqua 431 [DEAC] dUTP is a coumarin derivative that can replace TTP in reactions in which it serves as a substrate for E. coli DNA polymerase (holoenzyme and Klenow fragment), T4 and Taq DNA polymerases, reverse transcriptase (from AMV and M-MuLV) and terminal transferase. Fluorescently labelled probes can be prepared with this fluorescent nucleotide by a variety of methods including nick translation, random prime labelling, cDNA labelling and 3’-end labelling. Probes generated by these methods are suitable for use for the identification of specific sequences by in situ hybridization procedures on fixed cells and tissues by direct fluorescence detection. Aqua 431 dUTP can also be used for multicolor fluorescence labelling.

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Reactive biotin compounds

Supplier: Biotium

Biotium offers reactive biotin compounds with a variety of reactive functional groups.

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Carboxyl coupling resin

Carboxyl coupling resin

Supplier: G-Biosciences

Carboxyl coupling resin consists of 6% cross-linked agarose with covalently linked diaminodipropylamine (DADPA) to generate a free primary amine at the end of a long spacer arm. Molecules, including proteins, peptides and nucleic acids, are covalently coupled to the free primary amines, and the stable columns are ideal for affinity purification of antibodies and other interacting partners.

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Annexin V conjugates

Annexin V conjugates

Supplier: Biotium

Annexin V fluorescent conjugates can be used to detect apoptotic cells. Annexin V is available conjugated to a wide variety of dyes.

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Phalloidin conjugates

Phalloidin conjugates

Supplier: Biotium

Phalloidin is a toxin isolated from the deadly Amanita phalloides mushroom. It is a bicyclic peptide that binds specifically to F-actin. Fluorescent conjugates of phalloidin are convenient tools to investigate the distribution of F-actin in fixed and permeabilised cells or tissue sections. One unit (U) of phallodin is sufficient to stain one sample (200 µl staining volume). A highly selective actin filament stain for fixed and permeabilised cells. Labeled phalloidins have similar affinity for both large and small filaments.

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Antibody labelling kits, Mix-n-Stain™ Biotin

Antibody labelling kits, Mix-n-Stain™ Biotin

Supplier: Biotium

Mix-n-Stain™ Biotin antibody labelling kits utilise a technology that allows rapid antibody labelling with biotin without a purification step.

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CF® Dye hydrazide

CF® Dye hydrazide

Supplier: Biotium

Fluorescent CF® Dye hydrazides are bright, extremely water-soluble, nontoxic molecules, useful as aldehyde-fixable cell tracers. They can also be used to label aldehyde or ketone groups of polysaccharides, carbohydrates or glycoproteins.

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CF™ Dyes Cholera Toxin Subunit B, CF™ Dye Conjugates

CF™ Dyes Cholera Toxin Subunit B, CF™ Dye Conjugates

Supplier: Biotium

Cholera toxin subunit B conjugated to Biotium's next-generation fluorescent CF™ dyes.

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Amine reactive biotin reagents, HOOK™

Supplier: G-Biosciences

HOOK™ d-Biotin (Vitamin H), 500 mg

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